<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>一这是标题</title>
</head>
<body>
  <p>一这是一段文字</p>
  <script>
    console.log('一这是日志一段代码')
    function test(){
      var val = '一这是函数'
      // console.log(val)
    }
  </script>
</body>
</html>